You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
1.6 KiB
79 lines
1.6 KiB
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <string>
|
|
|
|
// const_reference at(size_type pos) const;
|
|
// reference at(size_type pos);
|
|
|
|
#include <string>
|
|
#include <stdexcept>
|
|
#include <cassert>
|
|
|
|
#include "min_allocator.h"
|
|
|
|
#include "test_macros.h"
|
|
|
|
template <class S>
|
|
void
|
|
test(S s, typename S::size_type pos)
|
|
{
|
|
const S& cs = s;
|
|
if (pos < s.size())
|
|
{
|
|
assert(s.at(pos) == s[pos]);
|
|
assert(cs.at(pos) == cs[pos]);
|
|
}
|
|
#ifndef TEST_HAS_NO_EXCEPTIONS
|
|
else
|
|
{
|
|
try
|
|
{
|
|
TEST_IGNORE_NODISCARD s.at(pos);
|
|
assert(false);
|
|
}
|
|
catch (std::out_of_range&)
|
|
{
|
|
assert(pos >= s.size());
|
|
}
|
|
try
|
|
{
|
|
TEST_IGNORE_NODISCARD cs.at(pos);
|
|
assert(false);
|
|
}
|
|
catch (std::out_of_range&)
|
|
{
|
|
assert(pos >= s.size());
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
int main()
|
|
{
|
|
{
|
|
typedef std::string S;
|
|
test(S(), 0);
|
|
test(S("123"), 0);
|
|
test(S("123"), 1);
|
|
test(S("123"), 2);
|
|
test(S("123"), 3);
|
|
}
|
|
#if TEST_STD_VER >= 11
|
|
{
|
|
typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
|
|
test(S(), 0);
|
|
test(S("123"), 0);
|
|
test(S("123"), 1);
|
|
test(S("123"), 2);
|
|
test(S("123"), 3);
|
|
}
|
|
#endif
|
|
}
|